Hydraulics and Fluid Mechanics in ME According to Manning's formula, the discharge through an open channel is (where M = Manning's constant) A × M × m1/2 × i2/3 A1/2 × M2/3 × m × i A × M × m2/3 × i1/2 A2/3 × M1/3 × m × i A × M × m1/2 × i2/3 A1/2 × M2/3 × m × i A × M × m2/3 × i1/2 A2/3 × M1/3 × m × i ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Mach number is less than unity, the flow is called Hyper-sonic flow Sonic flow Sub-sonic flow Super-sonic flow Hyper-sonic flow Sonic flow Sub-sonic flow Super-sonic flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy line lies over the centre line of the pipe by an amount equal to Pressure head - velocity head Velocity head Pressure head + velocity head Pressure head Pressure head - velocity head Velocity head Pressure head + velocity head Pressure head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in a pipe or channel is said to be uniform when The liquid particles at all sections have the same velocities Each liquid particle has a definite path The liquid particles at different sections have different velocities The quantity of liquid flowing per second is constant The liquid particles at all sections have the same velocities Each liquid particle has a definite path The liquid particles at different sections have different velocities The quantity of liquid flowing per second is constant ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the coefficient of discharge is 0.6, then the discharge over a right angled notch is 1.417 H5/2 7.141 H5/2 0.417 H5/2 4.171 H5/2 1.417 H5/2 7.141 H5/2 0.417 H5/2 4.171 H5/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Reciprocating pumps are no more to be seen in industrial applications (in comparison to centrifugal pumps) because of Necessity of air vessel Lower speed of operation Lower discharge High initial and maintenance cost Necessity of air vessel Lower speed of operation Lower discharge High initial and maintenance cost ANSWER DOWNLOAD EXAMIANS APP
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